Overview
The MAX1202BEPP is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component is part of the MAX1202/MAX1203 family, designed for use in applications with mixed +5V (analog) and +3V (digital) supply voltages. It combines an 8-channel multiplexer, high-bandwidth track/hold, and a serial interface, making it suitable for a variety of data-acquisition systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Number of Channels | 8 |
| Analog Supply Voltage | Single +5V or dual ±5V |
| Digital Supply Voltage (VL) | 2.7V to 3.6V |
| Conversion Rate | Up to 300ksps |
| Integral Nonlinearity (INL) | ±1 LSB |
| Serial Interface Speed | Up to 2MHz |
| Package Type | 20-Pin PDIP |
| Operating Temperature Range | 0°C to +70°C (MAX1202_C_P), -40°C to +85°C (MAX1202_E_P) |
| Power Consumption | 1.5mA (Operating Mode), 2μA (Power-Down Mode) |
Key Features
- Internal 4.096V reference (MAX1202) or external reference (MAX1203)
- Reference-buffer amplifier for simplified gain trim
- SPI/MICROWIRE/TMS320-compatible 4-wire serial interface
- Software-configurable unipolar/bipolar inputs
- High-bandwidth track/hold with 133kHz sampling rate
- Low power consumption with 1.5mA in operating mode and 2μA in power-down mode
- Output logic levels (3V, 3.3V, or 5V) determined by the voltage applied to the VL pin
Applications
The MAX1202BEPP is suitable for various data-acquisition systems, particularly in environments requiring mixed voltage supplies. It is ideal for applications such as:
- Industrial automation and control systems
- Medical devices requiring precise analog-to-digital conversion
- Aerospace and defense systems where low power consumption and high accuracy are critical
- Automotive systems that need robust and reliable data acquisition
- Embedded systems and microcontroller-based projects
Q & A
- What is the resolution of the MAX1202BEPP ADC?
The MAX1202BEPP has a 12-bit resolution.
- How many channels does the MAX1202BEPP support?
The MAX1202BEPP supports 8 channels.
- What are the possible analog supply voltages for the MAX1202BEPP?
The MAX1202BEPP can operate with a single +5V analog supply or dual ±5V analog supplies.
- What is the maximum serial interface speed of the MAX1202BEPP?
The serial interface of the MAX1202BEPP operates at up to 2MHz.
- Does the MAX1202BEPP have an internal reference voltage?
Yes, the MAX1202 features an internal 4.096V reference voltage.
- What is the power consumption of the MAX1202BEPP in operating and power-down modes?
The MAX1202BEPP consumes 1.5mA in operating mode and 2μA in power-down mode.
- What types of output logic levels are supported by the MAX1202BEPP?
The output logic levels of the MAX1202BEPP can be 3V, 3.3V, or 5V, determined by the voltage applied to the VL pin.
- Is the MAX1202BEPP compatible with SPI and MICROWIRE interfaces?
Yes, the MAX1202BEPP is compatible with SPI, MICROWIRE, and TMS320-family digital signal processors.
- What is the operating temperature range of the MAX1202BEPP?
The operating temperature range of the MAX1202BEPP is 0°C to +70°C (MAX1202_C_P) or -40°C to +85°C (MAX1202_E_P).
- Can the MAX1202BEPP be used in applications requiring both unipolar and bipolar inputs?
Yes, the MAX1202BEPP supports software-configurable unipolar/bipolar inputs.
